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Heavy Duty Equipment Technician Red Seal Exam Prep · Question

When adjusting track tension on a heavy-duty excavator, what is the primary component used to achieve the correct track sag?

The track adjuster cylinder, typically filled with grease and sometimes connected to a spring, is used to move the idler forward or backward, thereby adjusting

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Question: When adjusting track tension on a heavy-duty excavator, what is the primary component used to achieve the correct track sag?

Answer options:

  • Sprocket
  • Track roller frame
  • Idler spring assembly ✅ Track adjuster cylinder

Correct answer: Track adjuster cylinder

Explanation: The track adjuster cylinder, typically filled with grease and sometimes connected to a spring, is used to move the idler forward or backward, thereby adjusting the track tension and achieving the correct track sag.

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